1
0
mirror of https://github.com/adtools/clib2.git synced 2025-12-08 14:59:05 +00:00
Files
amiga-clib2/library/contrib/byteswap/byteswap_bswap16.c
Olaf Barthel 66303e9ba2 - Added a directory to hold contributed code which has not been integrated
with the library yet.

- The byteswap code was contributed by Peter Bengtsson. Thank you very much!


git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@15163 87f5fb63-7c3d-0410-a384-fd976d0f7a62
2006-11-13 09:49:49 +00:00

29 lines
368 B
C

#if defined(__PPC__) && defined(__GNUC__)
asm("\
.text\n\
.align 2\n\
.globl bswap16\n\
.type bswap16, @function\n\
bswap16:\n\
# rlwinm %r4,%r3,8,16,24\n\
# rlwimi %r4,%r3,24,24,31\n\
# or %r3,%r4,%r4\n\
rlwimi %r3,%r3,16,8,15\n\
srwi %r3,%r3,8\n\
blr\n\
");
#else
#include <stdint.h>
uint16_t bswap16(uint16_t u16)
{
return(u16>>8|u16<<8);
}
#endif